Home / 826,811.60-1,240,217.40-770,824.40

Finding the Fourth Proportional to 826,811.60, 1,240,217.40 and 770,824.40

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Solution

The fourth proportional to 826,811.60, 1,240,217.40 and 770,824.40 is: 1,156,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,811.60 : 1,240,217.40 = 770,824.40 : x
  2. Step 2: Convert to fraction form
    826,811.60/1,240,217.40 = 770,824.40/x
  3. Step 3: Cross multiply
    826,811.60x = 1,240,217.40 × 770,824.40
  4. Step 4: Simplify right side
    826,811.60x = 955,989,833,224.56
  5. Step 5: Solve for x
    x = 955,989,833,224.56/826,811.60
  6. Step 6: Final answer
    x = 1,156,236.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.